Vacuum Blowers For Opal Mining - Henan Mining Machinery .

Opal mining in Coober Pedy | Opalios

A blower is like a giant vacuum cleaner. purpose built for opal mining in Coober Pedy. Blowers are attached to a small tractor with a rotating cutting head on it, or better known as a tunneling machine. Tunneling machines, with their revolving cutting heads, are used to dig through the ground and can tunnel at about 12ft (4m) per hour.

opal mining equipment - Stone Crusher,Jaw Crusher .

Opal mining in Coober Pedy | Opalios A blower is like a giant vacuum cleaner. purpose built for opal mining in Coober Pedy, these machines are attached to a small tractor with a rotating cutting head .